25 lines
491 B
GLSL
25 lines
491 B
GLSL
// Copyright (C) 2023 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#version 440
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layout(location = 0) in float vT;
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layout(location = 0) out vec4 fragColor;
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layout(std140, binding = 0) uniform buf {
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mat4 qt_Matrix;
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vec4 color;
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float qt_Opacity;
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float size;
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float spread;
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};
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#define PI 3.14159265358979323846
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void main(void)
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{
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float tt = smoothstep(spread, 1.0, sin(vT * PI));
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fragColor = color * qt_Opacity * tt;
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}
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